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Operational Amplifier Transfer Characteristics

Last modified by Microchip on 2023/11/09 08:59

Op-amps are designed to sense the difference between the voltage signals applied at its two input terminals, (that is, the quantity V_IN+ - V_IN-), multiply this by a number A, and cause the resulting voltage A(V_IN+ - V_IN-) to appear at output terminal 3.

V_OUT = A(V_IN+ - V_IN-)

According to this formula, we can make a graph, a straight line, which shows the transfer characteristic of a linear amplifier. This means the output voltage is proportional to the input voltage difference.

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Operational Amplifier Transfer Characteristics

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